难度水平，难易度

difficult time───困难时期

difficult birth───难产

difficult issue───难题

difficult match───困难的比赛

difficult period───困难时期

difficult season───困难的季节

difficult task───艰巨的任务

difficulties───n.困难（difficulty的复数）；磨难

difficultly───adv.困难地，费力地

Every lesson passes anda stand - alone unit . They are archived , searchable, and graded for difficulty level.───课程被归档分为不同级别,可通过关键字搜索, 而且每节课都经过学生打分.

Adjust the game difficulty level thoroughly during the field test.───在整个测试考查过程中彻底地调整整个游戏的难度水平.

To unlock Arcade Mode beat the game once through on any difficulty level.───要解锁街机模式,先以任何难度通关一次.

Its sound, image options, the difficulty level selection, storage and features continue.───其拥有声音 、 图象选项, 难度级别选择 、 存储和继续的功能特点.

These will give you a comprehensive enough snapshot to know your difficulty level relative to other keywords in question.───这些能够让你全面了解相对于其他关键字的难度等级的快照。

The page rank provided to your competing URLs will also help you gauge the difficulty level.───提供给你竞争对手的页面排名也将帮助你衡量难度等级。

Land unit recruitment cost in campaign has been increased, with higher cost on higher difficulty level.───征募陆军单位的花费增加, 在越高的难度下花费越多.

RequisitePro USES a database to organize and track requirements, and to assign attributes like priority, status, and difficulty level to them.───RequisitePro使用数据库管理并追踪需求，并为它们分配属性例如优先级、状态以及难度级别等。

We will have a dungeon difficulty level setting.───地下城的难度将是可以选择的.

You should be able to play chamber music works on the difficulty level of easy String Quartets or Piano Trios by Joseph Haydn.

Adjust the game difficulty level thoroughly during the field test.

But the question remains, how confident can we be that a formula score is truly representative of the overall difficulty level?

Mongol invasion is now connected to the difficulty level.

It must have stunning graphics, appealing game play and often a computer opponent of just the right difficulty level.

Vocabulary, word length, grammatical complexity and sentence length are traditionally used to indicate the difficulty level of text.

We know from many studies that quite subtle changes in tasks can significantly alter their difficulty level.

The difficulty level of the exercises in the book varies widely.

This step should ensure that the difficulty level and the volume of material in any one session are right for the students.